* {
    margin: 0;
    padding: 0;
}

html {
    background: linear-gradient(270deg, #fffffe, #2299e9);
}

body {
    width: 100%;
    background: url('https://img1.baidu.com/it/u=293592898,1804155775&fm=253&fmt=auto&app=138&f=JPEG?w=1180&h=473') no-repeat 40px 0px;
}

.logo {
    position: relative;
    width: 500px;
    height: 475px;
    margin-top: 200px;
    background-image: url('');
    border-top: 1px solid white;
    margin-left: 700px;

    .form1 {
        width: 400px;
        margin-top: 100px;
        background-image: url('https://img1.baidu.com/it/u=1822461642,2862836066&fm=253&fmt=auto&app=138&f=JPEG?w=500&h=212');
        background-position: 101px -10px;
        padding: 50px;

        .item {
            margin-bottom: 20px;
            width: 300px;

            input {
                height: 40px;
                width: 180px;
                border: none;
                border-radius: 20px;
                text-indent: 10px;
            }

            p {
                color: red;
                font-size: 14px;
            }
        }

        .sub {
            input {
                width: 50px;
                height: 30px;
                border: none;
                border-radius: 30px;
                margin-left: 50px;
            }

        }

    }
    .registerList{
        display: none;
        position: absolute;
        top: 0px;
        left: 0px;
        width: 400px;
        height: 375px;
        padding: 50px;
        background-image: url('https://img1.baidu.com/it/u=1822461642,2862836066&fm=253&fmt=auto&app=138&f=JPEG?w=500&h=212');
        background-position: 101px -10px;
        .item2 {
            margin-bottom: 20px;
            width: 300px;

            input {
                height: 40px;
                width: 180px;
                border: none;
                border-radius: 20px;
                text-indent: 10px;
            }

            p {
                color: red;
                font-size: 14px;
            }
        }

        .sub2 {
            input {
                width: 50px;
                height: 30px;
                border: none;
                border-radius: 30px;
                margin-left: 50px;
            }

        }
    }

}